Interlock Only. No One Takes a Backseat.
We don't do car audio or mechanic work. Every appointment gets our full attention and equal treatment.
Johnstown is one of our closest service areas — just a quick 12-minute drive to our Evans shop for professional ignition interlock installation. Authorized Lifesafer & Guardian provider with on-site notary services.
Trusted by thousands of drivers across Northern Colorado
Authorized Provider For
Ignition Interlock Devices is all we do.
We don't do car audio or mechanic work. Every appointment gets our full attention and equal treatment.
Authorized Lifesafer & Guardian provider. Certified calibrations with proper documentation.
Get your Colorado interlock affidavit notarized during your appointment. No extra trips needed.
InterlockGo NOCO in Evans is only 8 miles from Johnstown — about a 12-minute drive. We're the closest dedicated ignition interlock service provider to Johnstown.
We recommend calling ahead at 970-515-5740 to schedule, but same-day appointments are frequently available. Since Johnstown is so close, we can often fit you in quickly.
Installation takes 2-4 hours. Our certified technicians wire the interlock device to your vehicle's ignition system with clean, professional wiring. We test everything thoroughly and walk you through how to use the device before you leave.
Yes! We have a notary on-site at our Evans location. Johnstown residents can get their Colorado interlock affidavit notarized during the same visit — no extra stops needed.
★★★★★"So glad I found InterlockGo right near Johnstown. Quick install, clean work, and Anson walked me through everything. The notary on-site was a huge bonus."
Serving Johnstown and all of Northern Colorado. Call now or schedule online.
3610 35th Avenue Unit #7, Evans, CO 80620